We've moved!
We have a new general help page with lots of tips for using Eagle with our system:
http://docs.oshpark.com/design-tools/eagle/
We collected the CAM jobs here:
http://docs.oshpark.com/design-tools/eagle/cam-job/
We've also got instructions for how to make a custom CAM job to generate custom gerbers here:
http://docs.oshpark.com/design-tools/eagle/generating-custom-gerbers/